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Placites postsymmetricus
Taxonomy
Pinacoceras postsymmetricum was named by von Mojsisovics (1873).
It was recombined as Placites postsymmetricus by von Mojsisovics (1902), Astakhova (1968), Astakhova (1971).
It was recombined as Placites postsymmetricus by von Mojsisovics (1902), Astakhova (1968), Astakhova (1971).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Pinacoceras postsymmetricum von Mojsisovics p. 56 figs. Pl 22, figs 4,5 |
| 1902 | Placites postsymmetricus von Mojsisovics p. 302 |
| 1968 | Placites postsymmetricus Astakhova p. 48 figs. Pl 2, fig 3 |
| 1971 | Placites postsymmetricus Astakhova p. 81 figs. Pl 10, fig 5 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Placites postsymmetricus von Mojsisovics 1873
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 23.8 | |||||
| shell diameter | 1 | 40.4 | |||||
| shell inflation | 1 | 0.001 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lacian | Austria | Pinacoceras postsymmetricum (159573) Placites postsymmetricus (159899) | |
| Alaunian | Austria | Pinacoceras postsymmetricum (159574) | |
| Sevatian | Ukraine | Placites postsymmetricus (150943) |